bumblebee | cc9d10b98fd094d95ce155a5815e039a3eb6f3545708564c09e27834dc3768ab

Analysis

max time kernel
130s
max time network
158s
platform
windows10-2004_x64
resource
win10v2004-20230831-en
resource tags

arch:x64arch:x86image:win10v2004-20230831-enlocale:en-usos:windows10-2004-x64system
submitted
07-09-2023 18:34

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General

Target

9.exe
Size

596KB
MD5

0d73a7a18577fa6c81d0ccbe6a92261e
SHA1

50012f0552e00b6055e486ee0ec43fed9f76ef79
SHA256

cc9d10b98fd094d95ce155a5815e039a3eb6f3545708564c09e27834dc3768ab
SHA512

a82632e99848b819d80e5d1327033b0fd00f8a608e960882bf8e90c8b62fefba823c53fa0514746b822ad3ed54bb946ead29d935a296f0a39e2d44b32075955f
SSDEEP

12288:9rwVav5KOhU9lPu2OSTXbIdmRzAtI2mghQhyv2udR:9gahKOhU9tNXuXmgy6

Score

10^/10

bumblebee lnk1 trojan

Malware Config

Extracted

Family

bumblebee

Botnet

lnk1

rc4.plain

Signatures

BumbleBee
BumbleBee is a webshell malware written in C++.
trojan bumblebee

Drops file in System32 directory 1 IoCs

description	ioc	Process
File created	C:\Windows\system32\config\systemprofile\AppData\Local\Microsoft\InstallService\{8F41C713-3BC9-4EBB-9118-F69525F0B660}.catalogItem	svchost.exe

Checks processor information in registry 2 TTPs 3 IoCs

Processor information is often read in order to detect sandboxing environments.

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\CentralProcessor\0	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString	svchost.exe

Enumerates system info in registry 2 TTPs 2 IoCs

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key opened	\REGISTRY\MACHINE\Hardware\Description\System\BIOS	svchost.exe
Key value queried	\REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemSKU	svchost.exe

Uses Task Scheduler COM API 1 TTPs
The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.
persistence

Query Registry
T1012

C:\Users\Admin\AppData\Local\Temp\9.exe
"C:\Users\Admin\AppData\Local\Temp\9.exe"
1⤵
PID:3788

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k netsvcs -p
1⤵
- Drops file in System32 directory
- Checks processor information in registry
- Enumerates system info in registry
PID:696

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

Query Registry

T1012

System Information Discovery

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

memory/3788-0-0x0000015E19EC0000-0x0000015E19F2E000-memory.dmp

Filesize
440KB

Download
memory/3788-1-0x0000015E1A170000-0x0000015E1A277000-memory.dmp

Filesize
1.0MB

Download
memory/3788-2-0x0000015E1A170000-0x0000015E1A277000-memory.dmp

Filesize
1.0MB

Download
memory/3788-3-0x0000015E1A170000-0x0000015E1A277000-memory.dmp

Filesize
1.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads